1.

Before introducing `FeO` in blast furance, it is converted to `Fe_(2)O_(3)` by roasting so thatA. It may not be removed as slag with silicaB. Oresence of it may increase the melting point of chargeC. It may not evaporate in the furnaceD. None of the above

Answer» Correct Answer - A
`FeO` forms slag with silica, `SiO_(2)`
`FeO + SiO_(2) rarr FeSiO_(3)`.


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